What are the types of views in sql?
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What is a field in a database?
what is the difference difference between procedure and packages
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When is a declare statement required?
i have table T!. A B C D NULL 1 2 3 4 NULL 5 6 7 8 NULL 9 10 11 12 NULL. I WANT COUNT OF NULL VALUES IN TABLE. WRITE A QUERY.
What is on delete set null?
What is the difference between SQL and PLSQL
What are the operators used in select statements?
Do ddl statements need commit?
What is a mutating table and a constraining table?
Is primary key always clustered index?
What do you mean by query optimization?
Delete duplicate records in the emp table.
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